... 6",height:76mm,core size:14mm,3400rpm 2.material:aluminum 3.tablock type aluminum fan wheel/Impeller size Characteristics:Mainly apply on blowers ... .Company profileCompany Name: Dongguan Sayu Electronic Equipment Co., Ltd. Business Type: Manufacturer Products: centrifugal fan, centrifugal impeller, high pressure blower, ... , then use wooden case to feinforce the carton box. aluminum fan wheel/Impeller